I think this is geography but can someone help PLEASE

When geographers describe how two places are related to each other spatially, they are describing a. where the places are located in relation to one another b. what kinds of natural environments are around each place c. how each place is changing over time d. what kinds of cultures are in each place

Over half of the african-american population in the united states live in

Why slip off slopes are found on the inside of meanders? why river cliffs are found on the outside of meanders?